Average Co-Inventor Count = 3.00
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Johnson Matthey Inc. (2 from 268 patents)
2 patents:
1. 9284833 - Method of tracing flow of hydrocarbon from a subterranean reservoir
2. 8640773 - Method of tracing flow of hydrocarbon from a subterranean reservoir